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3 years ago

Please help. Will reward Brainliest.

Mathematics

1 answer:

mylen [45]3 years ago

6 0

Answer:

It's 92 degrees

Step-by-step explanation:

The angles given are equivalent because they are vertical angles.

So you would set the equations equal to each other.

$5x + 32 = 7x + 8$

then you would solve for x and get

$2x = 24$

$x = 12$

Then you would take that number and plug it into the equation of the angle your looking for.

$7(12) + 8$

Your result is 92

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Daca a + b = 20 si b + c = 30 ,calculati 3 . a + 7 . b + 4 . c ( Dau coroana la cine ma ajuta )

Oduvanchick [21]

It is given that

a+b=20 -------------------- (1)

b+c=30 -----------------------(2)

We have to calculate

3 a + 4 b +7 c

Now multiplying equation(1 )by 3,we get

3 a+ 3 b=60 ----------------------------------(3)

and Multiplying equation( 2) by 4,we get

4 b + 4 c=120 -----------------------------------(4)

Adding expression (3) and (4),we get i.e left hand side of 3 to left hand side of 4 and right hand side of 3 to right hand side of 4.

3 a+ 3 b+ 4 b+ 4 c=60+120

Adding like terms, we get

3 a+ 7 b+ 4 c =180, Which is the required solution.

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2 years ago

Which is equivalent to 42x +49.

Semmy [17]

Answer:

D. 7 (6x+7)

Step-by-step explanation:

Factor 7 out of 42x + 49

4 0

2 years ago

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The area of the circle is 64pie cm. What is the radius in cm?

Vinil7 [7]

Answer: 8 centimeters

Step-by-step explanation: To find the radius of the circle, remember that the formula for the area of a circle is πr² and since we're given that the area of our circle is 64π, we can set up the equation 64π = πr².

To solve for <em>r</em>, we first divide both sides of the equation by π.

On the left side, the π's cancel and we're left with 64 and on the right side, the π's cancel and we're left with r².

So we have 64 = r².

Next, we take the square root of both sides to get 8 = r.

So the radius of our circle is 8 centimeters.

8 0

3 years ago

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A retangle has a perimeter (p) of 58 inches. The length (L) is one more than 3 times the width (W)

worty [1.4K]

The rectangle has a perimeter P of 58 inches.The length l is one more than 3 times the width w.write and solve a system of linear equations to find the length and width of the rectangle?

Answer:

Length(L)=22 inches

Width(W) = 7 inches

Step-by-step explanation:

GIven:-

Perimeter (p)=58 inches,

Length(L)= one more than 3 times the width(W)

Let, W=x ---------------------------------(equation 1

$L=3x+1$ -----------------------(equation 2)